.nio-header-th {
  position: relative;
  isolation: isolate;
}

.nio-drag-handler {
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 3px;
  z-index: 1;
  border: 1px dashed #eee;

  &:hover,
  &:focus {
    cursor: col-resize;
    border: 1px dashed #0bd9d9;
  }
}